1·Note. (1) The dichloromethane is distilled from phosphorus pentoxide and stored over molecular sieves.
注意事项(1)二氯甲烷加入五氧化二磷蒸馏，加入分子筛储存。
2·The method was used to determine the content of di-phosphorus pentoxide in phosphoric acid and the result was satisfactory.
本方法用于测定磷酸中五氧化二磷的含量，获得满意结果。